package authentication;

import java.io.IOException;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import model.User;

public class TesteFilter implements Filter {

    private FilterConfig fc;

    @Override
    public void destroy() {
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain filter) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpServletResponse res = (HttpServletResponse) response;

        HttpSession session = req.getSession(true);
        User user = (User) session.getAttribute("user");
        if (user == null) {
            session.invalidate();
            res.sendRedirect("/MetricTools/login.jsf");
            return;
        }
        filter.doFilter(request, response);
    }

    @Override
    public void init(FilterConfig config) throws ServletException {
        this.fc = config;
    }
}
